CN203455418U - Three-phase dual-supply switching test module - Google Patents
Three-phase dual-supply switching test module Download PDFInfo
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- CN203455418U CN203455418U CN201320576179.6U CN201320576179U CN203455418U CN 203455418 U CN203455418 U CN 203455418U CN 201320576179 U CN201320576179 U CN 201320576179U CN 203455418 U CN203455418 U CN 203455418U
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- power supply
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- 238000012360 testing method Methods 0.000 title claims abstract description 45
- 230000007935 neutral effect Effects 0.000 claims abstract description 7
- 230000001681 protective effect Effects 0.000 claims description 19
- 230000009977 dual effect Effects 0.000 claims description 7
- 230000001360 synchronised effect Effects 0.000 claims 2
- 230000005611 electricity Effects 0.000 abstract 4
- 238000001514 detection method Methods 0.000 abstract 2
- 230000001012 protector Effects 0.000 abstract 2
- 238000000819 phase cycle Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 241001484259 Lacuna Species 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
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Abstract
The utility model relates to a three-phase dual-supply switching test module, comprising a commercial power leakage protector, a test power supply leakage protector, at least one switching unit, a gaugehead relay switch, a three-wire four-wire relay selector switch, a three-phase comprehensive electricity meter, a relay coil power supply loop and a generating set controller detection unit. The at least one switching unit comprises a switching relay switch; the four contacts of the switching relay switch are respectively in corresponding connection with four manually-operated switches of a relay AC master switch; three contacts of the three-wire four-wire relay selector switch are in connection with the three-phase comprehensive electricity meter; the relay coil power supply loop comprises an accumulator and parallel shunting loops; the generating set controller detection unit comprises a controller, a selector switch set connected to the controller and a neutral line switch. The three-phase dual-supply switching test module can complete the test of commercial power and a three-phase precision test power supply only by the three-phase comprehensive electricity meter and the controller; the three-phase comprehensive electricity meter is convenient to test and reduces cost.
Description
Technical field
The utility model relates to three-phase dual power supply switch test module.
Background technology
Alternating current lacuna to civil power and analog power, negative phase sequence test, output voltage lacuna, test of negative phase sequence etc., is used two cover proving installations, test respectively, cost is very high like this, is not easy to teaching demonstration.
Utility model content
The purpose of this utility model is to provide three-phase dual power supply switch test module, to solve in prior art, uses two cover proving installations difference testing costs high, is unfavorable for the problem of teaching demonstration.
To achieve these goals, the technical scheme that the utility model adopts is: three-phase dual power supply switch test module, comprise civil power earth leakage protective device, testing power supply earth leakage protective device, at least one switch unit, gauge outfit relay switch, three line four line relay change-over switches, three-phase comprehensive voltameter, relay coil current supply circuit and generator set controller detecting unit, described civil power earth leakage protective device and testing power supply earth leakage protective device all have four input ends and four output terminals; described switch unit comprises transfer relay switch, described transfer relay switch and described gauge outfit relay switch all have four groups of Z-type relay contacts, four output terminals of described civil power earth leakage protective device are connected with one of them stationary contact of the corresponding Z-type relay contact of described transfer relay switch and described gauge outfit relay switch respectively, four output terminals of described testing power supply earth leakage protective device are connected with another stationary contact of the corresponding Z-type relay contact of described transfer relay switch and described gauge outfit relay switch respectively, four moving contacts of described transfer relay switch respectively with the corresponding connection of four hand switches of relay exchange master switch, described three line four line relay change-over switches have three groups of Z-type relay contacts, three moving contacts of described three line four line relay change-over switches connect three-phase comprehensive voltameter, three moving contacts of described gauge outfit relay switch are connected with corresponding one of them stationary contact of Z-type relay of described three line four line relay change-over switch respectively, the 4th moving contact of described gauge outfit relay switch is connected with described three each another stationary contacts of Z-type relay of line four line relay change-over switches, the parallel connection minute loop that described relay coil current supply circuit comprises accumulator and this accumulator is connected respectively with the coil of each relay switch, on each minute loop in parallel, be equipped with keyswitch, generator set controller detecting unit comprises controller, at least one switch group and neutral switch of being connected with controller, described in each, switch group comprises three switches, described switch comprises a moving contact and three stationary contacts, three stationary contacts of each switch and neutral switch respectively with the corresponding connection of four hand switches of described relay exchange master switch.
Based on above-mentioned, described switch unit has two, and described switch group has two.
Based on above-mentioned, described in each, between switch and described controller, be equipped with manual keyswitch.
The utility model is by switch unit and gauge outfit relay switch, can be easily by three-phase comprehensive voltameter and controller is electrically connected to city or just three-phase comprehensive voltameter and controller are connected with three-phase precise testing power supply, only need a three-phase comprehensive voltameter and controller can complete the test of civil power and three-phase precise testing power supply very convenient, relay coil current supply circuit is provided with keyswitch, can control as required corresponding relay switch work, the switching that gauge outfit relay switch can carry out phase three-wire three and three-phase and four-line connects, increase test event, by three switches, can carry out the test of negative phase sequence demonstrates, very directly perceived, easy to operate, be convenient to test, saved cost.
Further, switch unit has two, and switch group has two, has contrast groups when testing like this.
Further, between each switch and controller, be equipped with manual keyswitch, can carry out phase shortage test.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of three-phase dual power supply switch test module in the utility model embodiment;
Fig. 2 is the schematic diagram in the utility model embodiment repeat circuit coil power supply loop;
Fig. 3 is the schematic diagram of generator set controller detecting unit in the utility model embodiment.
Embodiment
Below by embodiment, the technical solution of the utility model is described in further detail.
The embodiment of three-phase dual power supply switch test module, as described in Fig. 1-3, comprise civil power earth leakage protective device K7, testing power supply earth leakage protective device K8, two switch units, gauge outfit relay switch K5, three line four line relay change-over switch K6, three-phase comprehensive voltameter, relay coil current supply circuit and generator set controller detecting unit, three-phase comprehensive voltameter model is ZW6433B, it is WT-DY300E that testing power supply earth leakage protective device K8 is used for connecting product type, rated frequency is that 50Hz and rated voltage are alternating current 220V three-phase precise testing power supply, civil power earth leakage protective device K7 and testing power supply earth leakage protective device K8 all have four input ends and four output terminals, each switch unit includes transfer relay K switch 1, K3, described transfer relay K switch 1, K3 and described gauge outfit relay switch K5 all have four groups of Z-type relay contacts, four output terminals of civil power earth leakage protective device K7 respectively with transfer relay K switch 1, one of them stationary contact of the corresponding Z-type relay contact of K3 and described gauge outfit relay switch K5 connects, four output terminals of testing power supply earth leakage protective device K8 respectively with transfer relay K switch 1, another stationary contact of the corresponding Z-type relay contact of K3 and gauge outfit relay switch K5 connects, transfer relay K switch 1, four moving contacts of K3 respectively with relay exchange master switch K2, the corresponding connection of four hand switches of K4, described three line four line relay change-over switch K6 have three groups of Z-type relay contacts, three moving contacts of described three line four line relay change-over switch K6 connect three-phase comprehensive voltameter, tri-moving contacts of gauge outfit relay switch K5 are connected with corresponding one of them stationary contact of Z-type relay of three line four line relay change-over switch K6 respectively, the 4th moving contact of gauge outfit relay switch K5 is connected with three each another stationary contacts of Z-type relay of line four line relay change-over switch K6, relay coil current supply circuit comprises accumulator and the parallel connection minute loop that this accumulator is connected respectively with the coil of each relay switch K1-K6, on each minute loop in parallel, be equipped with keyswitch J0, J1, J3, J5, J6, wherein K2 and K4 share a keyswitch J0, generator set controller detecting unit comprises controller, two switch groups that are connected with controller and neutral switch N1, N2, described in each, switch group comprises three switch S, switch comprises a moving contact and three stationary contacts, and three stationary contacts and the neutral switch of each switch S are connected with corresponding four hand switches respectively, when testing like this, there is contrast groups, described in each, between switch and described controller, be equipped with manual keyswitch T, can carry out phase shortage test.
The present embodiment is by switch unit and gauge outfit relay switch, can be easily by three-phase comprehensive voltameter and controller is electrically connected to city or just three-phase comprehensive voltameter and controller are connected with three-phase precise testing power supply, only need a three-phase comprehensive voltameter and controller can complete the test of civil power and three-phase precise testing power supply very convenient, relay coil current supply circuit is provided with keyswitch, can control as required corresponding relay switch work, the switching that gauge outfit relay switch can carry out phase three-wire three and three-phase and four-line connects, increase test event, by three switches, can carry out the test of negative phase sequence demonstrates, very directly perceived, easy to operate, be convenient to test, saved cost.
Finally should be noted that: above embodiment is only in order to illustrate that the technical solution of the utility model is not intended to limit; Although the utility model is had been described in detail with reference to preferred embodiment, those of ordinary skill in the field are to be understood that: still can modify or part technical characterictic is equal to replacement embodiment of the present utility model; And not departing from the spirit of technical solutions of the utility model, it all should be encompassed in the middle of the technical scheme scope that the utility model asks for protection.
Claims (3)
1. three-phase dual power supply switch test module, it is characterized in that: comprise civil power earth leakage protective device, testing power supply earth leakage protective device, at least one switch unit, gauge outfit relay switch, three line four line relay change-over switches, three-phase comprehensive voltameter, relay coil current supply circuit and generator set controller detecting unit, described civil power earth leakage protective device and testing power supply earth leakage protective device all have four input ends and four output terminals; described switch unit comprises transfer relay switch, described transfer relay switch and described gauge outfit relay switch all have four groups of Z-type relay contacts, four output terminals of described civil power earth leakage protective device are connected with one of them stationary contact of the corresponding Z-type relay contact of described transfer relay switch and described gauge outfit relay switch respectively, four output terminals of described testing power supply earth leakage protective device are connected with another stationary contact of the corresponding Z-type relay contact of described transfer relay switch and described gauge outfit relay switch respectively, four moving contacts of described transfer relay switch respectively with the corresponding connection of four hand switches of relay exchange master switch, described three line four line relay change-over switches have three groups of Z-type relay contacts, three moving contacts of described three line four line relay change-over switches connect three-phase comprehensive voltameter, three moving contacts of described gauge outfit relay switch are connected with corresponding one of them stationary contact of Z-type relay of described three line four line relay change-over switch respectively, the 4th moving contact of described gauge outfit relay switch is connected with described three each another stationary contacts of Z-type relay of line four line relay change-over switches, the parallel connection minute loop that described relay coil current supply circuit comprises accumulator and this accumulator is connected respectively with the coil of each relay switch, on each minute loop in parallel, be equipped with keyswitch, generator set controller detecting unit comprises controller, at least one switch group and neutral switch of being connected with controller, described in each, switch group comprises three switches, described switch comprises a moving contact and three stationary contacts, three stationary contacts of each switch and neutral switch respectively with the corresponding connection of four hand switches of described relay exchange master switch.
2. a kind of synchronous indicating circuit according to claim 1, is characterized in that: described switch unit has two, and described switch group has two.
3. a kind of synchronous indicating circuit according to claim 2, is characterized in that: described in each, between switch and described controller, be equipped with manual keyswitch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320576179.6U CN203455418U (en) | 2013-09-18 | 2013-09-18 | Three-phase dual-supply switching test module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320576179.6U CN203455418U (en) | 2013-09-18 | 2013-09-18 | Three-phase dual-supply switching test module |
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| Publication Number | Publication Date |
|---|---|
| CN203455418U true CN203455418U (en) | 2014-02-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320576179.6U Expired - Fee Related CN203455418U (en) | 2013-09-18 | 2013-09-18 | Three-phase dual-supply switching test module |
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| Country | Link |
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| CN (1) | CN203455418U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106252120A (en) * | 2015-06-04 | 2016-12-21 | 施耐德电器工业公司 | Dual-power transfer switch |
| CN108597330A (en) * | 2018-08-02 | 2018-09-28 | 广东电网有限责任公司 | Survey phase instruments used for education |
| CN114089266A (en) * | 2022-01-21 | 2022-02-25 | 杭州炬华科技股份有限公司 | Meter calibration method and system suitable for single-phase double-loop electric energy meter |
-
2013
- 2013-09-18 CN CN201320576179.6U patent/CN203455418U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106252120A (en) * | 2015-06-04 | 2016-12-21 | 施耐德电器工业公司 | Dual-power transfer switch |
| CN106252120B (en) * | 2015-06-04 | 2018-06-08 | 施耐德电器工业公司 | Dual-power transfer switch |
| CN108597330A (en) * | 2018-08-02 | 2018-09-28 | 广东电网有限责任公司 | Survey phase instruments used for education |
| CN114089266A (en) * | 2022-01-21 | 2022-02-25 | 杭州炬华科技股份有限公司 | Meter calibration method and system suitable for single-phase double-loop electric energy meter |
| CN114089266B (en) * | 2022-01-21 | 2022-05-20 | 杭州炬华科技股份有限公司 | Meter calibration method and system suitable for single-phase double-loop electric energy meter |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140226 |